And he presents us with many terms that secularists revolve around, and in this first part he presents the intellectual and theoretical origins and philosophical roots of secular thought in its stages, then in the second part he presents us with an applied and practical presentation of these secular ideas and philosophies in our contemporary life, and how we may be secular and not know, Or we wear something of secularism in our behavior, inclinations, tastes, and so on, and Abdel-Wahhab Al-Messiri explains that secularism is divided into comprehensive secularism and partial secularism, and here the doctor indicates that secularism is not only the separation of religion from the state, this is the political meaning only, but rather the separation of religion from various fields Life, and here the application of religion may be confined to prayer, mosques, or churches only, but its manifestations are not outside, and other applied examples